Johnny To

Education

Bachelor of Science (B.S.), Computer Science September 2015 - May 2019
Worcester State University Worcester, Massachusetts

Work Experience

Associate Engineer June 2021 - Present

IPG Photonics Oxford, Massachusetts

Software Engineering (January 2024 - Present)

• Developed C#/.NET console application to automate version backups and rollbacks for production stations, enabling quick reverts to previous builds, and improve workflow efficiency.
• Developed C#/.NET automation tools for maintenance, tracking, and analysis, reducing manual overhead and enabling real-time insights for proactive decisions.
• Onboarded with the Automation Engineering Team to enhance and maintain the official C# WinForms AutoUpdate utility, expanding its capabilities for broader company use.
• Authored comprehensive documentation on the onboarding process and development environment configuration (Markdown), streamlining future team member setup.
• Provided feedback on new software builds, driving improvements to performance and user experience across multiple production areas.

Process Engineering (June 2021 - Present)

• Led the overhaul and upgrade of component assembly systems, completing projects four months ahead of schedule and improving reliability.
• Collaborated with the Laser Scientist on R&D initiatives, assisting with calibrations, system conversions, and experiments to reduce resource waste and enhance product quality.
• Supported station performance optimization, boosting throughput and minimizing downtime in critical production lines.
• Traveled to IPG Photonics (Marlborough, MA) for emergency support, resolving project timeline issues in 2 weeks instead of the planned 4, ensuring workflow continuity.
• Conducted case studies on UV curing processes, analyzing material interactions to inform process enhancements and reduce variability.

Equipment Maintenance Technician June 2020 - June 2021

IPG Photonics Oxford, Massachusetts

• Performed calibrations, inspections, and component testing to ensure equipment reliability.
• Troubleshot station issues—diagnosing and resolving mechanical/electrical faults—to minimize production downtime.
• Assisted Engineers with temporary assignments, following technical guidance.
• Maintained detailed documentation of maintenance activities for accurate tracking and process efficiency.
• Improved inter-shift communication, enhancing workflow and team coordination.

Technical Assembler June 2020 - June 2020

IPG Photonics Oxford, Massachusetts

• Assembled R&D components for a new product and helped refine production and assembly techniques.

Career Break August 2019 - June 2020

• Enhanced software development skills through online courses and open-source resources while actively pursuing career opportunities.

Gas Station Attendant August 2019 - August 2019

Peterson's Oil Service Worcester, Massachusetts

• Provided customer service by assisting customers with fuel purchases and transactions.
• Handled cash and credit card transactions efficiently, ensuring accuracy in payments.

Manufacturing Intern May 2018 - August 2018

IPG Photonics Oxford, Massachusetts

• Stripped, spliced, and cleaned fiber for integration into other components.
• Collaborated with production teams to meet goals and ensure timely workflow.

Manufacturing Intern May 2017 - August 2017

IPG Photonics Oxford, Massachusetts

• Stripped, spliced, and cleaned fiber for integration into other components.
• Worked with production teams to meet goals and ensure timely workflow.

Manufacturing Intern May 2016 - August 2016

IPG Photonics Oxford, Massachusetts

• Assembled laser diode components with precise alignment for optimal beam strength.
• Stripped, spliced, and cleaned fiber for integration into other components.
• Collaborated with production teams to meet goals and ensure timely workflow.

Programming Languages

C#

Markup & Scripting

SQL
HTML
CSS
Markdown
Mermaid

Frameworks & Libraries

.NET
DevExpress

Tools & IDEs

Git
GitExtensions
Visual Studio
Visual Studio Code
Notepad++

Methodologies

Agile

Databases

SQLite